Population information

Nom ordre Anseriformes
Nom famille Anatidae
Nom scientifique Anas gracilis Nom courant Grey Teal
Nom population gracilis, New Zealand
Aire de reproduction New Zealand Aire de non-reproduction
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Oceania
Notes

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 25,000 100,000 [R705]
WPE 2 0 0 25,000 100,000 [R705]
WPE 3 0 0 25,000 100,000 [R705]
WPE 4 0 0 25,000 100,000 [R705]
WPE 5 2011 2011 120,000 120,000 Expert opinion [S8034] [R1060]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 STA [R705]
WPE 2 1982 1992 STA [R705]
WPE 3 1982 1992 STA [R705]
WPE 4 1982 1992 STA [R705]
WPE 5 2002 2011 STA Poor [R1060]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 1000
WPE 4 2006 1000
WPE 5 2012 1200

References

  • R705 - Williams, M.J. (pers. comm.). 1993. Unpublished information from New Zealand, summarised for IWRB.
  • R1060 - Dyer, J. In litt. 10 April 2012 (for Field and Game, New Zealand).

Notes

  • S8034 - Estimate provided by New Zealand Field and Game organisation.



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on